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Size:L25mm x D20mm/0.98inch x 0.79inch( L*D) Diameter: 5mm to 8mm / 0.19inch to 0.31inch Material: Aluminum alloy, polyurethane Type: Plum shaped Super torque can absorb vibration, appropriate a large torque transmission.High hardness,Durable,and excellent response,not easy to loosen Flexibility of coupling shaft removes stress between the motor and driving components 2
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Dimensions: large Bore: 8mm/0.31", Small Bore: 5mm/0.19", Outer Diameter: 20mm/0.78", length: 25mm/0.98" Unique balanced clamp screw design reduces vibration while the cross cut increases clamping ability Machined from a single piece of aluminum with multiple spiral cuts for higher torsional stiffness and torque capabilities Multiple beam cuts improve parallel misalignment capabilities;accommodate parallel misalignment, angular misalignment and axial motion 3
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1.Name: 3D printer Stepper Motor Flexible Coupling Coupler 2.Size:5*8mm(Compatible with NEMA 17 stepper motors (for 5mm to 8mm shaft diameter)) 3.Dimensions: 19mm x 25mm 4.FeatureFlexibility of this coupler removes stress between motor and driving component. 4
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Flexibility of this coupler removes stress between motor and driving component. Compatible with NEMA 17 stepper motors (for 5mm shaft diameter). Works for 3D printers and CNC machines. Dimensions: 19mm x 25mm. 5
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Flex capability of the coupler removes stress when shafts are not aligned perfectly Suitable for connecting two axis with different diameters, can also be connected with a motor axis, or connecting shafts of different diameters Between the transmission member can do both screw can do model remote control boat propeller shaft and the motor power,flexibility of this coupler removes stress between motor and driving component Compatible with NEMA 17 stepper motors (for 5mm shaft diameter) 6
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Shaft: 6.35mm x 6.35mm,Length: 25mm,Diameter: 20mm Material: Aluminium it is widely used to connect servo motor, stepper motor, encoder, screw driving, machine platform, etc. 7
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Both the cylindrical inner diameter and the hexagon side length are 7 mm, support for any of the motor shaft diameters of 7mm/0.275in. Coupler copper shaft coupling for the automotive tires DC motor robot, also suitable for cup turner, rod dryer, electric car toy, etc. 8 pcs durable brass material 7mm length hexagon motor flexible coupling, you can use these for a long time. Package Includes: 8 shaft motor flexible coupling coupler; 2 Allen Wrench; 16 Screws. 8
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Flexibility of this coupler removes stress between motor and driving component. Compatible with NEMA 17 stepper motors (for 5mm to 8mm shaft diameter). Useful in RepRap 3D Printers and small CNC machines. Dimensions: 19mm x 25mm. 9
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Size: 9.5 (3/8") x 10mm Notice: The size is refer to the hole, for example 6mm x 8mm is known as one head of the hole diameter is 6mm, the other is 8mm Outside diameter: 25mm; Length: 30mm Material: Aluminum 10
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Flexible Coupling Compatible with cast iron, plastic, copper, lead, and steel piping Flexible Connectors are Leak-Proof, Rot-Proof and Sealed Against Infiltration and Exfiltration, May be used for non-pressure drain, waste, and vent (DWV) piping systems and sewer systems indoors and outdoors Conforms to ASTM C1173, CSA B602, Certified and UPC Approved, Rated for underground use 
